Gaya APA
Borg, Walter R., Gall, Meredith D.. (1989).
Educational research : an introduction (5th ed).
New York:
Longman.
Gaya Chicago
Borg, Walter R., Gall, Meredith D..
Educational research : an introduction.
5th ed
New York:
Longman,
1989.
Text.
Gaya MLA
Borg, Walter R., Gall, Meredith D..
Educational research : an introduction.
5th ed
New York:
Longman,
1989.
Text.
Gaya Turabian
Borg, Walter R., Gall, Meredith D..
Educational research : an introduction.
5th ed
New York:
Longman,
1989.
Print.